Apache NetBeans
Programmer-friendly testing framework for Java and the JVM
Browser automation framework and ecosystem
Easily create Spring-powered, production-grade applications
Comprehensive programming and configuration model for modern apps
ProGuard, Java optimizer and obfuscator
tinylog is a lightweight logging framework for Java, Kotlin, Scala
Java language binding for writing Appium Tests
Extremely fast enterprise server framework, can be used in RPC
Distributed tracing without code changes
Uber's cross-platform mobile architecture framework
Simplifies building hypermedia-driven REST web services
The modular web framework for Java and Kotlin
A revolutionary ORM framework for both java and kotlin.
Apache InLong - a one-stop integration framework for massive data
TestNG testing framework
Most popular Mocking framework for unit tests written in Java
Cross-platform framework for building truly native mobile apps
Soot - A Java optimization framework
API automation and load testing framework
Stream processing framework with powerful stream
JetCache is a Java cache framework
Native Android app for Habitica
Framework for Evolutionary Message-Driven Microservices on the JVM